meowsum.git

diff --git a/meowsum.c b/meowsum.c
index 48538d5bb12054c13fe01652ef2a8191137f3ab2..df5b7b67a0c583824ba9b045805023f0a56cbbae 100644
--- a/meowsum.c
+++ b/meowsum.c
@@ -142,8 +142,8 @@   return result;
 }
 
 bool sum_files(char *argv[], int start, int argc, int hash_size) {
-  char *hex_hash;
   meow_u128 *hash;
+  char *hex_hash;
   unsigned long size;
 
   for (int i = start; i < argc; ++i) {
@@ -278,15 +278,19 @@     return 1;
   }
 
   if (mode == MODE_SUM) {
-    sum_files(argv, first_file_index, argc, hash_size);
-  }
-  if (mode == MODE_CHECK) {
+    bool sum_result = sum_files(argv, first_file_index, argc, hash_size);
+    if (!sum_result) {
+      return 1;
+    }
+  } else if (mode == MODE_CHECK) {
     bool check_result =
         check_files(argv, first_file_index, argc, quiet, strict_error);
     if (!check_result) {
-      exit_status = 1;
+      return 1;
     }
+  } else {
+    print_usage();
+    return 1;
   }
-
-  return exit_status;
+  return 0;
 }